#What frame skew causes this mesh
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This video is for those who struggle getting bed meshed with their RatRig V-Core 3.
Please feel free to jump to the chapter you are interested in.
0:00 Intro
1:05 about the v-core 3 frame and bed leveling
8:26 what to take care of in the building phase
9:17 the right square
10:09 build tips
16:50 adjusting the frame according to your bed mesh
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first test...raise both front Y rail corners 0.5mm and run a mesh.
you can take a 90° corner brace mounted under the edge of the rail and a spare screw and nut as a jack to move the rail ever so slightly and precisely. (used like a car jack) Raising the fron should drop that back right corner to start.
Frame has clockwise twist in it from front to back... Twist the front of the frame clockwise to dial that out... Mesh also suggests some upward gantry bow, but the twist is your bigger issue...
Make sure to run a z tilt after adjusting for twist
Updated mesh’s think I’ve removed the twist as it looks to be bowed now
Just under 0.3 between lowest and highest point
0.3 range on a 500 bed is excellent - probably not worth chasing it anymore at this point - unless you need greater precision than that on a 500mm part